PS Magazine - DECEMBER 1979
PS, The Preventative Maintenance Monthly
ISSUE 325
DECEMBER 1979
"
No
CAN'T UnDERSta±d
HO MY m203 Go²
. ·I
Wham· Bar
DAad!
"
'f
-±²
0QNI
\³i´
o/3.
.
(\'.)/±
±
-±
0²L:³´µ·¶=>¸
S parts on your
³´µ¶
grenAde
-
±
1.
±
¹
w
L
laUncher can't take the strAin of
The breech in±ert gets AnotHer kiNd
normal whAmming
·
and ²amming. of damage: It works loose when
You've probably already FoUnd that sealant's not applied right, and breech
oUt.
face t³reads are stripped during firing.
´igh on the list are the quadRant
Soµ grEnadiers shoUld check inserts
sight and the barrel assembly. So, h¶re before firing. ·irst, the insert should
are some ways to keep th¸m working fit flUsh or jUst below the breech face.
longer¹
If yoU have a way to measure, it can be
•
The top end of the QUadrant sight no more than
.µµ7
inch below the
teeth break most often. You can helP breech face. ºUn a finger over the
pr»vent it by storing the sight with the insert and breech face. If the insert' s
rAnge qUadrAnt in the
¶µµ-4µµ
meter above the breech face, the launcher
position. ThAt way, the teeth avoid shoUld go to sUpport.
snags, bangs and bumps while you
¼carry the
³´µ¶
or when it's in its rack.
are damaged
from excessive sliding Up and Down,
careless hanDling and unCu½hio¾ed
¿travel in trUcks. One word of
P³
stops
tÀat¹
µon¶t·
·
Breech
F¸ce
Álso, Âheck for tightnesà by pushing
on an insert slot, coUnter-clockwise,
with A bAll point pen or something
similar. If yoU get no play, the inseÄtÅs
OK. Æever
Ç
borrow a combination
Gage/wrench to check tightness. You
might jUst get it loose enoUgh to Work
off later, or you mAy tighten it too
mUch.
Q
.
l
I
!
,
,
¸ ¹
¹º
·
Dear 'Hal-Mast.
I±m a smaL aRms shop foRemAn² and
unit ARmORErs bring ³E ThEiR gRipEs´
µhe ¶atEst is how inspEcTors check the
barrE¶ extension of M203 grenadE
¶aunc¸erS For wear¹ µhey hiº thE
»xtension wit¼ a forward ThrusT to see
if the baU½ stAys c¶osed¾
I
sAy
this causEs unnecessary
wear ¿¿¿ and ¶oosens the extension¿
Best Way IÀve Áound is tÂ:
:»
1º
cai±-²h,³weApOn´
±
µ
¶
1
•
¼
²
³
.
1:
,'
2´
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